Crucial 4GB DDR3 1866MHz Desktop RAM Ballistix Sport series BLS4G3D18ADS3.16FE | eBay
HP DL380p G8 Server RAM - DDR3 ECC 1866MHz 8GB PC3 Memory 64GB - 192GB Lot | eBay
v-Color DDR3 32GB (2 x 16GB) Hynix IC 1866MHz (PC3-14900) for Mac Pro 2013 ECC RDIMM 1.5V CL13 2Rx4 Registered DIMM Dual Rank Server Memory Ram Module Upgrade (TR316G18D413K) at Amazon.com
Amazon.com: PATRIOT 16GB(2x8GB) Viper III DDR3 1866MHz (PC3 15000) CL10 Desktop Memory with Black Mamba Heatsink - PV316G186C0K : Electronics